Location: Santalune City

Method:
In Santalune City, in the house south-wes of the Trainer School, you will find a hiker who wants to trade so that you can become acquaintences.

Quacklin' Level 10	OT: Cliff ID: 00185 Ability: Keen Eye Hold Item: None	Jolly Nature. Date Received. Link Trade. Apparently received at Level 10	Leer Fury Cutter Fury Attack Aerial Ace
		Trader requests a Bunnelby

Location: Snowbelle City

Method:
In Snowbelle City, in the house swest of the northern bridge, the mother of a family will request a trade.

Pierce Level 50	OT: Punky ID: 03447 Ability: Defiant Hold Item: None	Adamant Nature. Date Received. Link Trade. Apparently received at Level 50	Metal Sound Embargo Iron Defense Night Slash
		Trader requests a Jigglypuff

Location: Vaniville Town

Method:
Immediately after you start the game following defeating the Elite Four for the first time, Shauna will meet you outside your house. Eager to congratulate you, she will give you an opportunity to receive the unevolved form of her starter, the Pokémon yours was strongest against. If you chose Chespin, it'll be Froakie, if you chose Fennekin, it'll be Chespin and if you chose Froakie, it'll be Fennekin.

Chester Level 5	OT: Shauna ID: 00037 Ability: Overgrow Hold Item: None	Adamant Nature. Date Received. Link Trade. Apparently received at Level 5	Tackle Growl Vine Whip
		Trader requests any Pokémon

Kinniekins Level 5	OT: Shauna ID: 00037 Ability: Blaze Hold Item: None	Modest Nature. Date Received. Link Trade. Apparently received at Level 5	Scratch Tail Whip Ember
		Trader requests any Pokémon

Froabble Level 5	OT: Shauna ID: 00037 Ability: Torrent Hold Item: None	Jolly Nature. Date Received. Link Trade. Apparently received at Level 5	Pound Growl Bubble
		Trader requests any Pokémon

Location: Lumiose City

Method:
After defeating the Elite Four, you'll be able to find Diantha again, back at the Café in Southern Boulevard that you previously met her. She will be happy to see you and will offer you a trade, saying she'll accept any of your Pokémon.

Ralts Level 5	OT: Diantha ID: 37110 Ability: Synchronize Hold Item: Gardevoirite	Modest Nature. Date Received. Link Trade. Apparently received at Level 5	Growl
		Trader requests any Pokémon

Location: Cyllage City

Method:
In Cyllage City, in the Pokémon Center, you will find a trainer who really wants a Luvdisc. He will offer his Steelix in return.

Thumper Level 20	OT: Farris ID: 19250 Ability: Rock Head Hold Item: None	Impish Nature. Date Received. Link Trade. Apparently received at Level 20	Rage Stealth Rock Autotomize Gyro Ball
		Trader requests a Luvdisc

Location: Hotels

Method:
In a random hotel, there is a hiker. After you have spoken to him for a few days, he will offer you a trade. Your Gyarados for his "Super Special" Magikarp.

Carpe Diem Level 5	OT: Caveat ID: 44285 Ability: Swift Swim Hold Item: None	Adamant Nature. Date Received. Link Trade. Apparently received at Level 5
		Trader requests a Gyarados

Location: Random Hotel

Method:
In one of the hotels, you will find a woman who, after a few days of talking to her, will offer you a trade. For any Pokémon, she will give you a special Eevee that she caught in Mr. Backlot's Trophy Garden in Sinnoh.

Stevie Level 5	OT: Elena ID: 29294 Ability: Run Away Hold Item: Rare Candy	Docile Nature. Date Received. Link Trade. Apparently received at Level 5	Growl Tackle Tail Whip Sand Attack
		Trader requests any Pokémon